Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net income (loss)	$ 312	$ (61)
Other Comprehensive Loss, net of tax
Net unrealized gains and losses on investments	(627)	(1,055)
Foreign currency translation adjustment	2	(77)
Pension and postretirement benefits	9	11
Other comprehensive loss, net of tax	(616)	(1,121)
Total comprehensive loss	(304)	(1,182)
Net unrealized gains and losses on investments with an allowance for credit losses
Other Comprehensive Loss, net of tax
Net unrealized gains and losses on investments	0	(11)
Net unrealized gains and losses on other investments
Other Comprehensive Loss, net of tax
Net unrealized gains and losses on investments	$ (627)	$ (1,044)